UPD16808GS 查看數據表（PDF） - NEC => Renesas Technology
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UPD16808GS Datasheet PDF : 12 Pages
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µPD16808
FUNCTION TABLE
• With 1- to 2-phase excitation selected (SEL = High)
Excitation Direction IN1 IN2 IN3 IN4
H1
H2
——
L
L
L
L
S
S
H2R
L
L
L
H
S
R
H2F
L
L
H
L
S
F
——
L
L
H
H
S
S
H1R
L
H
L
L
R
S
<3>
L
H
L
H
R
R
<2>
L
H
H
L
R
F
H1R
L
H
H
H
R
S
H1F
H
L
L
L
F
S
<4>
H
L
L
H
F
R
<1>
H
L
H
L
F
F
H1F
H
L
H
H
F
S
——
H
H
L
L
S
S
H2R
H
H
L
H
S
R
H2F
H
H
H
L
S
F
——
H
H
H
H
S
S
H1F
<4>
<1>
H2R
H2F
<3>
<2>
H1R
• With 2-phase excitation selected (SEL = Low)
Excitation Direction IN1 IN3 IN4 IN2
H1
H2
<1>
H
H
×
H
F
F
<2>
L
H
×
H
R
F
<3>
L
L
×
H
R
R
<4>
H
L
×
H
F
R
–
×
×
×
L
Stop
F: Forward
R: Reverse
S: Stop
×: Don’t care
For the excitation waveform timing chart, refer to APPLICATION CIRCUIT EXAMPLE.
FORWARD
REVERSE
VM
VM
STOP
VM
ON
OFF
OFF
ON
OFF
OFF
A
OFF
B
ON
A
ON
B
OFF
A
OFF
B
OFF
3
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